Re: Is it possible to ignore all variable except 'tab-width' in dir-locals-file or local-variables?

[Michael Heerdegen]

Zhang Haijun <ccsmile2008@outlook.com> writes:

> Is there a custom variable like ‘user-safe-local-variables’ which can
> be set to ‘(tab-width) to control this?

Looks there is only an `ignored-local-variables' user option.  The
filtering is done in `hack-local-variables-filter' if you want to look
at the code.  So it seems what you want is not possible by only
configuring an option, you would have to advice
`hack-local-variables-filter'.

Michael.